How to Get to Mars. Very Cool! HD

http://www.youtube.com/watch?v=XRCIzZHpFtY&feature=player_embedded

NASA's Mars Exploration Rover Mission (MER) is an ongoing robotic space mission involving two rovers, Spirit and Opportunity, exploring the planet Mars. It began in 2003 with the sending of the two rovers—MER-A Spirit and MER-B Opportunity—to explore the Martian surface and geology.